diff --git a/modules/claim/front/detail/index.html b/modules/claim/front/detail/index.html
index a7031e31a..ba7a34ffd 100644
--- a/modules/claim/front/detail/index.html
+++ b/modules/claim/front/detail/index.html
@@ -146,9 +146,7 @@
             </vn-input-number>
             <div class="simulator">
                 <p class="simulatorTitle" translate>New price</p>
-                <p>{{($ctrl.saleClaimed.quantity * $ctrl.saleClaimed.sale.price) - 
-                    (($ctrl.newDiscount * ($ctrl.saleClaimed.quantity * $ctrl.saleClaimed.sale.price))/100) 
-                    | currency: 'EUR':2}}
+                <p>{{$ctrl.newPrice | currency: 'EUR':2}}
                 </p>
             </div>
         </div>
diff --git a/modules/claim/front/detail/index.js b/modules/claim/front/detail/index.js
index ef457807a..137ad4d70 100644
--- a/modules/claim/front/detail/index.js
+++ b/modules/claim/front/detail/index.js
@@ -37,6 +37,15 @@ class Controller {
         return this._salesClaimed;
     }
 
+    get newDiscount() {
+        return this._newDiscount;
+    }
+
+    set newDiscount(value) {
+        this._newDiscount = value;
+        this.updateNewPrice();
+    }
+
     openAddSalesDialog() {
         this.getClaimableFromTicket();
         this.$.addSales.show();
@@ -140,6 +149,11 @@ class Controller {
         }
     }
 
+    updateNewPrice() {
+        this.newPrice = (this.saleClaimed.quantity * this.saleClaimed.sale.price) -
+            ((this.newDiscount * (this.saleClaimed.quantity * this.saleClaimed.sale.price)) / 100);
+    }
+
     clearDiscount() {
         this.newDiscount = null;
     }
diff --git a/modules/claim/front/detail/index.spec.js b/modules/claim/front/detail/index.spec.js
index 9312ef2fc..175266215 100644
--- a/modules/claim/front/detail/index.spec.js
+++ b/modules/claim/front/detail/index.spec.js
@@ -93,12 +93,16 @@ describe('claim', () => {
             });
         });
 
-        describe('updateDiscount()', () => {
+        fdescribe('updateDiscount()', () => {
             it('should perform a query if the new discount differs from the claim discount', () => {
+                controller.saleClaimed = {sale: {
+                    discount: 5,
+                    id: 7,
+                    ticketFk: 1,
+                    price: 2,
+                    quantity: 10}};
                 controller.newDiscount = 10;
-                controller.saleClaimed = {sale: {discount: 5}};
-                controller.saleClaimed = {sale: {id: 7}};
-                controller.saleClaimed = {sale: {ticketFk: 1}};
+
 
                 spyOn(controller.vnApp, 'showSuccess');
                 spyOn(controller, 'clearDiscount');
diff --git a/modules/ticket/front/sale/editDiscount.html b/modules/ticket/front/sale/editDiscount.html
index 7648d2ddc..e4c7cf9cd 100644
--- a/modules/ticket/front/sale/editDiscount.html
+++ b/modules/ticket/front/sale/editDiscount.html
@@ -13,8 +13,6 @@
     </vn-input-number>
     <div class="simulator">
         <p class="simulatorTitle" translate>New price</p>
-        <p>{{($ctrl.edit[0].quantity * $ctrl.edit[0].price) 
-            - (($ctrl.newDiscount * ($ctrl.edit[0].quantity * $ctrl.edit[0].price))/100) 
-            | currency: 'EUR':2}}</p>
+        <p>{{$ctrl.newPrice | currency: 'EUR':2}}</p>
     </div>
 </div>
\ No newline at end of file
diff --git a/modules/ticket/front/sale/editDiscount.js b/modules/ticket/front/sale/editDiscount.js
index 2ad12b159..e623e2eba 100644
--- a/modules/ticket/front/sale/editDiscount.js
+++ b/modules/ticket/front/sale/editDiscount.js
@@ -28,6 +28,20 @@ class Controller {
         return this._bulk;
     }
 
+    get newDiscount() {
+        return this._newDiscount;
+    }
+
+    set newDiscount(value) {
+        this._newDiscount = value;
+        this.updateNewPrice();
+    }
+
+    updateNewPrice() {
+        if (this.newDiscount && this.edit[0])
+            this.newPrice = (this.edit[0].quantity * this.edit[0].price) - ((this.newDiscount * (this.edit[0].quantity * this.edit[0].price)) / 100);
+    }
+
     setNewDiscount() {
         if (!this.newDiscount && this.edit[0])
             this.newDiscount = this.edit[0].discount;
diff --git a/modules/ticket/front/sale/index.html b/modules/ticket/front/sale/index.html
index 454bab75c..293082d75 100644
--- a/modules/ticket/front/sale/index.html
+++ b/modules/ticket/front/sale/index.html
@@ -186,9 +186,7 @@
                 </vn-input-number>
                 <div class="simulator">
                     <p class="simulatorTitle" translate>New price</p>
-                    <p>{{($ctrl.sale.quantity * $ctrl.editedPrice) 
-                        - (($ctrl.sale.discount * ($ctrl.sale.quantity * $ctrl.editedPrice))/100) 
-                        | currency: 'EUR':2}}</p>
+                    <p>{{$ctrl.newPrice | currency: 'EUR':2}}</p>
                 </div>
             </div>
         </div>
diff --git a/modules/ticket/front/sale/index.js b/modules/ticket/front/sale/index.js
index 0293f12d0..c5c70998f 100644
--- a/modules/ticket/front/sale/index.js
+++ b/modules/ticket/front/sale/index.js
@@ -21,16 +21,25 @@ class Controller {
 
         this.imagesPath = '//verdnatura.es/vn-image-data/catalog';
     }
+    get sales() {
+        return this._sales;
+    }
 
     set sales(value) {
         this._sales = value;
         this.refreshTotal();
     }
 
-    get sales() {
-        return this._sales;
+    get editedPrice() {
+        return this._editedPrice;
     }
 
+    set editedPrice(value) {
+        this._editedPrice = value;
+        this.updateNewPrice();
+    }
+
+
     refreshTotal() {
         this.loadSubTotal();
         this.loadVAT();
@@ -270,6 +279,10 @@ class Controller {
         this.$scope.editPricePopover.hide();
     }
 
+    updateNewPrice() {
+        this.newPrice = this.sale.quantity * this.editedPrice - ((this.sale.discount * (this.sale.quantity * this.editedPrice)) / 100);
+    }
+
     showEditPopover(event, sale) {
         this.sale = sale;
         this.edit = [{